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On a report parameter of data type DateTime, when I select a date using the date picker, it uses my local format (dd/mm/yyyy), but then I get an error that the value is not valid for the data type, but as soon as I enter a date in the US formt (mm/dd/yyyy), the report runs but the date gets displayed correctly in my local format. What is going on here?

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What is the "Localization" >> "Language" properties of the RDL set to? – SQL3D Jan 5 '11 at 22:55
up vote 0 down vote accepted

An application ran by a different user account (eg networkservice localservice etc) may have different locality settings. This will effect how datetime objects are parsed to strings.

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